选择下列函数运行后的输出s=fg[2x]+fg[2y z]+fg[4z]/.fg[2x_]-> fg[x+2]+fg[x]
A: fg[x]+fg[2+x]+fg[4z]+fg[2y z]
B: fg[2x]+fg[4z]+fg[y z]+fg[2+y z]
C: fg[x]+fg[2+x]+fg[4 z]+fg[y z]+fg[2+y z]
D: fg[x]+fg[2+x]+fg[2z]+fg[2z+2]+fg[2y z]
A: fg[x]+fg[2+x]+fg[4z]+fg[2y z]
B: fg[2x]+fg[4z]+fg[y z]+fg[2+y z]
C: fg[x]+fg[2+x]+fg[4 z]+fg[y z]+fg[2+y z]
D: fg[x]+fg[2+x]+fg[2z]+fg[2z+2]+fg[2y z]
举一反三
- 选择下列函数运行后的输出s=fg[2x]+fg[2y z]+fg[4z]/.fg[2x_]-> fg[x+2]+fg[x] A: fg[x]+fg[2+x]+fg[4z]+fg[2y z] B: fg[2x]+fg[4z]+fg[y z]+fg[2+y z] C: fg[x]+fg[2+x]+fg[4 z]+fg[y z]+fg[2+y z] D: fg[x]+fg[2+x]+fg[2z]+fg[2z+2]+fg[2y z]
- FG有几大功能。() A: 1 B: 2 C: 3 D: 4
- 已有定义语句:int x=2,y=4,z=6;if(x>y) z=x;x=y;y=z;执行上述语句后x,y,z的值是____。 A: x=4,y=2,z=2 B: x=4,y=4,z=2 C: x=4,y=6,z=6 D: x=4,y=2,z=6
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